Example

Solving for the Percent of Calories from Fat in Brownies

To determine the percent of calories from fat in a brownie with 190190 total calories and 7676 calories from fat, translate the question "What percent of 190190 is 7676?" into an algebraic equation. Let pp be the unknown percent. The situation translates to p×190=76p \times 190 = 76. Solving for pp by dividing both sides by 190190 results in p=0.4p = 0.4. Converting this decimal to a percent gives 40%40\%. This means 40%40\% of the total calories are from fat.

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Updated 2026-04-22

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